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Diffstat (limited to 'src/devices/machine/output_latch.h')
-rw-r--r--src/devices/machine/output_latch.h17
1 files changed, 9 insertions, 8 deletions
diff --git a/src/devices/machine/output_latch.h b/src/devices/machine/output_latch.h
index bdadd772ade..c915b4c7207 100644
--- a/src/devices/machine/output_latch.h
+++ b/src/devices/machine/output_latch.h
@@ -7,28 +7,28 @@
#define MCFG_OUTPUT_LATCH_BIT0_HANDLER(_devcb) \
- devcb = &downcast<output_latch_device &>(*device).set_bit_handler<0>(DEVCB_##_devcb);
+ downcast<output_latch_device &>(*device).set_bit_handler<0>(DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT1_HANDLER(_devcb) \
- devcb = &downcast<output_latch_device &>(*device).set_bit_handler<1>(DEVCB_##_devcb);
+ downcast<output_latch_device &>(*device).set_bit_handler<1>(DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT2_HANDLER(_devcb) \
- devcb = &downcast<output_latch_device &>(*device).set_bit_handler<2>(DEVCB_##_devcb);
+ downcast<output_latch_device &>(*device).set_bit_handler<2>(DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT3_HANDLER(_devcb) \
- devcb = &downcast<output_latch_device &>(*device).set_bit_handler<3>(DEVCB_##_devcb);
+ downcast<output_latch_device &>(*device).set_bit_handler<3>(DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT4_HANDLER(_devcb) \
- devcb = &downcast<output_latch_device &>(*device).set_bit_handler<4>(DEVCB_##_devcb);
+ downcast<output_latch_device &>(*device).set_bit_handler<4>(DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT5_HANDLER(_devcb) \
- devcb = &downcast<output_latch_device &>(*device).set_bit_handler<5>(DEVCB_##_devcb);
+ downcast<output_latch_device &>(*device).set_bit_handler<5>(DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT6_HANDLER(_devcb) \
- devcb = &downcast<output_latch_device &>(*device).set_bit_handler<6>(DEVCB_##_devcb);
+ downcast<output_latch_device &>(*device).set_bit_handler<6>(DEVCB_##_devcb);
#define MCFG_OUTPUT_LATCH_BIT7_HANDLER(_devcb) \
- devcb = &downcast<output_latch_device &>(*device).set_bit_handler<7>(DEVCB_##_devcb);
+ downcast<output_latch_device &>(*device).set_bit_handler<7>(DEVCB_##_devcb);
class output_latch_device : public device_t
{
@@ -36,6 +36,7 @@ public:
output_latch_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0);
template <unsigned Bit, class Object> devcb_base &set_bit_handler(Object &&cb) { return m_bit_handlers[Bit].set_callback(std::forward<Object>(cb)); }
+ template <unsigned Bit> auto bit_handler() { return m_bit_handlers[Bit].bind(); }
void write(uint8_t data);
DECLARE_WRITE8_MEMBER(bus_w) { write(data); }